
const breadcumb = {
  state: {
    // breadcumb: {}, // 面包屑
    // back: {},// 返回路径
    visitedViews: [], //已经拜访的页面
    cachedViews: []   //
  },
  mutations: {
    // ADD_VISITED_VIEWS: (state, view) => {
    //   if (state.visitedViews.some(v => v.path === view.path)) return
    //   state.visitedViews.push({
    //     name: view.name,
    //     path: view.path,
    //     title: view.meta.title || 'no-name'
    //   })
    //   if (!view.meta.noCache) {
    //     state.cachedViews.push(view.name)
    //   }
    // },
    // DEL_VISITED_VIEWS: (state, view) => {
    //   for (const [i, v] of state.visitedViews.entries()) {
    //     if (v.path === view.path) {
    //       state.visitedViews.splice(i, 1)
    //       break
    //     }
    //   }
    //   for (const i of state.cachedViews) {
    //     if (i === view.name) {
    //       const index = state.cachedViews.indexOf(i)
    //       state.cachedViews.splice(index, 1)
    //       break
    //     }
    //   }
    // },
    // DEL_OTHERS_VIEWS: (state, view) => {
    //   for (const [i, v] of state.visitedViews.entries()) {
    //     if (v.path === view.path) {
    //       state.visitedViews = state.visitedViews.slice(i, i + 1)
    //       break
    //     }
    //   }
    //   for (const i of state.cachedViews) {
    //     if (i === view.name) {
    //       const index = state.cachedViews.indexOf(i)
    //       state.cachedViews = state.cachedViews.slice(index, i + 1)
    //       break
    //     }
    //   }
    // },
    // DEL_ALL_VIEWS: (state) => {
    //   state.visitedViews = []
    //   state.cachedViews = []
    // }
  },
  actions: {
    // addVisitedViews({ commit }, view) {
    //   commit('ADD_VISITED_VIEWS', view)
    // },
    // delVisitedViews({ commit, state }, view) {
    //   return new Promise((resolve) => {
    //     commit('DEL_VISITED_VIEWS', view)
    //     resolve([...state.visitedViews])
    //   })
    // },
    // delOthersViews({ commit, state }, view) {
    //   return new Promise((resolve) => {
    //     commit('DEL_OTHERS_VIEWS', view)
    //     resolve([...state.visitedViews])
    //   })
    // },
    // delAllViews({ commit, state }) {
    //   return new Promise((resolve) => {
    //     commit('DEL_ALL_VIEWS')
    //     resolve([...state.visitedViews])
    //   })
    // }
  }
}

export default breadcumb
